baber/WOPTO huggingface dataset:
Patent JP-2009008592-A (JP)
Title: Measuring instrument system
Inventor: KASAI KAZUNAGA
IPC: G01D11/28
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a measuring instrument system 10 capable of varying color tone of a scale 42 according to intensity of external light.  <P>SOLUTION: This measuring instrument system is provided with a frame section 30 for bordering a character display area 21 of a dial 20, a transparent scale 42 arranged in the frame section 30 corresponding to a character 24 of the dial 20, a color filter 52 arranged behind the transparent scale 42 at a predetermined interval, and a light reflecting member 62 arranged behind the color filter 52.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009007511-A (JP)
Title: Diene-based rubber composition
Inventor: KUSHIDA NAOKI
IPC: B60C1/00
Filed: 2007-06-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a silica-filled diene-based rubber composition that is suitably used as a vulcanization molding material for a tread part of a pneumatic tire or the like, increases a vulcanization rate and can give a vulcanized product having an excellent balance of viscoelastic properties.  <P>SOLUTION: A diene rubber composition comprising diene rubber, silica, a silane coupling agent and a tetrazole derivative represented by the formula (wherein n is an integer of 4-10) achieves the object. The diene rubber composition comprises 20-100 pts.wt. silica per 100 pts.wt. diene rubber and the silane coupling agent and the tetrazole derivative each in an amount of 2-15 wt.% based on the weight of silica.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009011446-A (JP)
Title: Carbonated spring generator
Inventor: ONDA TAKAO
IPC: A47K3/00
Filed: 2007-07-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carbonated spring generator capable of increasing the dissolution concentration of carbon dioxide in water in a tank and efficiently generating micro-bubbles inside the tank.  <P>SOLUTION: The water passing pipe 14 of the carbonated spring generator 12 is connected to the tank 11 through a suction pipe 16 and a discharge pipe 18. A piston type pump P is provided in the middle of the water passing pipe 14, and the pump P and a carbon dioxide cylinder 42 are connected by a conduit 43. During the suction operation of the pump P, by sucking a carbon dioxide gas and pressurizing it to the pressure of 0.7 MPa, the carbon dioxide gas is efficiently mixed in the water and the carbon dioxide is dissolved in the water. By leading the water in which the carbon dioxide is dissolved from the discharge pipe 18 to a discharge valve 61, decompressing it inside the tank 11 and jetting it, the micro-bubbles of the carbon dioxide are efficiently generated in the water inside the tank 11 and the dissolution concentration of the carbon dioxide in the water is increased.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009013825-A (JP)
Title: Vacuum pump
Inventor: MORIYAMA NOBUHIKO
IPC: G01K7/38
Filed: 2007-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum pump capable of continuously detecting rotor temperature within a wide range by using a change in the magnetic permeability of a magnetic body around Curie temperature.  <P>SOLUTION: Targets 81, 82 arranged on the bottom surface of a nut 42 are formed by solidifying with resin or the like the powders or small pieces of a plurality of magnetic materials having different Curie temperatures in a range of rotor monitoring temperature. When a gap sensor 44 is opposed to the targets 81, 82, it is possible to detect the magnetic permeability of the plurality of magnetic materials as inductance. Therefore, when the rotor temperature rises and sequentially exceeds the respective Curie temperatures, the inductance is gradually reduced. As a result, the rotor temperature can be easily calculated from an inductance value.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009014083-A (JP)
Title: Bearing device and centrifugal compressor having the same
Inventor: MIYAGAWA HIROTOYO
IPC: F16C32/04
Filed: 2007-07-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bearing device increasing a load capacity with simple structure to suppress abrasion of a foil bearing, and to provide a centrifugal compressor having the same.  <P>SOLUTION: The bearing device 1 comprises: a rotor 10 having a flange part 11a; the foil bearing 30a opposed to the rotor 10 in a radial direction R and supporting the rotor 10 in the radial direction R; and a magnetic bearing 40a opposed to the flange part 11a in an axial direction A and supporting the rotor 10 in the axial direction A. A space part D is formed between the rotor 10 and the foil bearing 30a by the rotation of the rotor 10. The flange part 11a is provided with a blowing part 14 pressure-feeding gas to the space part D by the rotation of the rotor 10.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009016561-A (JP)
Title: Nitride semiconductor light emitting element
Inventor: NISHIMOTO HIROYUKI
IPC: H01S5/343
Filed: 2007-07-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nitride semiconductor light emitting element capable of substantially improving an yield.  <P>SOLUTION: The nitride semiconductor light emitting element includes: a substrate; and a nitride semiconductor laminate configuration comprising a plurality of nitride semiconductor layers laminated on the surface of the substrate. A dug region dug in a recessed shape and a non-dug region which is not dug are formed on the surface of the substrate, the dug region is provided with a bottom surface and a side face extending upwards from the end part of the bottom surface, and the side face of the dug region and the surface of the non-dug region are connected through a curved surface.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008116907-A (JP)
Title: Waste-toner housing device, and image forming apparatus
Inventor: SHIMIZU YOSHIYUKI
IPC: G03G21/10
Filed: 2007-07-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a waste toner housing device in which waste toner is efficiently settled, and an exchange cycle can be prolonged by ameliorating the deviated deposition of the toner and efficiently filling the toner into the container, an image forming apparatus, and a process cartridge.  <P>SOLUTION: The waste-toner housing device 59 that is detachably attached to an image forming apparatus 10 for housing the waste toner generated in the apparatus body includes two conveying members 50, 51 varying in installation heights in the apparatus body. The rotation directions of the two conveying members 50, 51 are opposite to each other.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009017388-A (JP)
Title: Differential amplifier and operation amplifier
Inventor: OKADA HIROSHI
IPC: H03F1/26
Filed: 2007-07-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a differential amplifier and an operation amplifier at low cost which can improve an electromagnetic compatibility (EMC) resistance.  <P>SOLUTION: Transistors which are active elements are liable to cause malfunctions due to external noise, as compared to resistors which are passive elements, causing lowering of the EMC resistance. In particular, as compared to an NPN transistor which operates on a ground basis, a PNP transistor which operates on a power source basis becomes liable to malfunction due to external noise entering from a power source Vcc, causing lowering of the EMC resistance. In an unbalanced differential amplifier 11 (an unbalanced operation amplifier 10), collector currents (bias currents) at transistors Q1, Q2 and Q6 are set by pull-up resistors R1 and R2, and accordingly the EMC resistance can be improved, as compared to the conventional technique in which the collector currents are set by a constant-current source that uses a current mirror circuit.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009012143-A (JP)
Title: Table cutter
Inventor: KAWADA HIROHIDE
IPC: B27B27/10
Filed: 2007-07-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a table cutter restraining a movable fence abutting on a workpiece and holding the workpiece in cutting from swelling out to a side in moving and holding various kinds of workpieces including a crown molding material by the movable fence.  <P>SOLUTION: In this table cutter, the movable fence is slidably provided in a substantially perpendicular direction from a base. An area of a contact surface of the workpiece is varied by sliding. A large area can be made as the contact surface of the workpiece when the workpiece is high, therefore, and the workpiece is firmly held.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009011983-A (JP)
Title: Catalyst support for use in cleaning exhaust
Inventor: ITAMOTO TAKASHI
IPC: B01D53/86
Filed: 2007-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a catalyst support for use in cleaning exhaust, which is firstly capable of enhancing catalyst efficiency and catalyst performance in removing harmful substances, secondly shows excellent vibration resistance even if it is used in treating exhaust coming out of an engine accompanied by vibration, and thirdly has a low preparation cost, excellent workability in the course of its preparation and an advantage that its step-forming member can simply and easily be inserted.  <P>SOLUTION: The catalyst support 1 is constituted of a roller-shaped honeycomb structure 4 disposed in an outer cylindrical case 5, which honeycomb structure 4 is formed of a plurality of wound layers of a pair of a belt-like corrugated sheet 2 and a belt-like plain sheet 3 each made from a metal foil whereon a catalytic substance is deposited. A step-forming member 9 fabricated from an extra fine metal member is inserted between the corrugated sheet 2 and the plain sheet 3. The step-forming member 9 has a function of causing exhaust to turbulently flow through each of cell spaces 8 of the honeycomb structure 4 and increasing the contact between the exhaust and the catalytic substance. The step-forming member 9 typically has an extra fine belt shape and is fabricated from a metal foil made of the same material as is used in the corrugated sheet 2 and the plain sheet 3.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009013955-A (JP)
Title: Fuel injection device for internal combustion engine
Inventor: YAMAMOTO HIROSHI
IPC: F02M59/36
Filed: 2007-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel injection device for an internal combustion engine accurately controlling actual pressure of fuel in a common rail by detecting poor sliding of a valve member and a case of an intake quantity control valve and by executing control for eliminating poor sliding when poor sliding is detected.  <P>SOLUTION: Control accuracy of flow rate of fuel supplied to a supply pump 12 from a suction quantity control valve 30 and flow rate of fuel delivered to a common rail 13 from the supplier pump 12 and difference between target rail pressure and actual rail pressure become large when poor sliding occurs in the suction quantity control valve 30. ECU 15 judges that poor sliding occurs in the suction quantity control valve 30 when number of occasions that difference between the target rail pressure and the actual rail pressure becomes larger than the predetermined value during a predetermined period becomes large. ECU 15 changes controlled gain of the suction quantity control valve 30 and executes control for eliminating poor sliding to eliminate poor sliding of the suction quantity control valve 30 when ECU 15 detects poor sliding in the suction quantity control valve 30.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009014659-A (JP)
Title: Deemed power value output current monitoring device by own power source system
Inventor: SHIMIZU KIYOKO
IPC: G01R21/06
Filed: 2007-07-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a current monitoring measurement device capable of safely and easily measuring and excellent in economic efficiency, for visualizing the amount of power consumption on real time for cost reduction by electric energy saving, to provide a measurement device which does not have to carry out direct connection to a power line, and to provide a current monitoring and measuring device, the driving electric power source of which is a self electric power source system without needing 100 V electric power source or electric battery.  <P>SOLUTION: This device which is equipped without voltage input terminals like as a conventional watt meter calculates the deemed power value and obtains the integrated value by using the rating voltage of the installation place preset in the CPU memory and the current value detected by the device for realizing saving work and low cost, thus outputting the result to a real time power monitoring system which is a backward system. The electric energy for activating this device is secured by the electromagnetic induction through the current transformers from the power line to be measured, and the unevenness of the power generation is coped with a super capacitor, therefore the external power source or electric battery is not needed.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008038145-A (JP)
Title: Epoxy resin composition and resin-sealed semiconductor device made by using the same
Inventor: TAKADA JUNJI
IPC: H01L23/29
Filed: 2007-07-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an epoxy resin composition excellent in a laser mark property, an electrical characteristic and reliability such as moldability or reflow resistance, and to provide a semiconductor device made by using the same.  <P>SOLUTION: The epoxy resin composition includes (A) an epoxy resin, (B) a hardening agent, (C) a hardening accelerator, (D) a lanthanum compound and (E) an inorganic filler.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009020254-A (JP)
Title: Map data distribution system and map data updating method
Inventor: ASAHARA AKINORI
IPC: G01C21/26
Filed: 2007-07-11
Abstract: <P>PROBLEM TO BE SOLVED: To reduce stop time of navigation function when map data is updated in a navigation system.  <P>SOLUTION: A map data distribution system includes a server which distributes map data and a mobile terminal which receives the map data. The server stores, for each area, the difference data between pieces of map data obtained before and after updated, and sends the difference data of map data of an area requested by the mobile terminal to the mobile terminal. The mobile terminal includes a database for storing map data and an updated-data store part for storing updated map data, generates updated data by using the received difference data, stores the updated data in the updated-data store part and then in the database. When map data is fetched while the updated data is being stored from the updated-data store part into the database, the mobile terminal fetches the requested map data from the updated-data store part when the map data to be fetched is stored in the updated-data store part.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009018487-A (JP)
Title: Liquid discharge method
Inventor: SAKAI HIROAKI
IPC: B41J2/01
Filed: 2007-07-11
Abstract: <P>PROBLEM TO BE SOLVED: To shorten a printing time, and to print an image of a high image quality.  <P>SOLUTION: The liquid discharge method has the step of performing resolution conversion of pixel data corresponding to a first region among a plurality of pixel data which constitute image data of one page to a first resolution, and performing resolution conversion of pixel data corresponding to a second region among the plurality of pixel data to a second resolution different from the first resolution; and the step of forming dots by the first resolution to a region corresponding to the first region on a medium on the basis of the pixel data subjected to the resolution conversion to the first resolution, and forming dots by the second resolution to a region corresponding to the second region on the medium on the basis of the pixel data subjected to the resolution conversion to the second resolution.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009024345-A (JP)
Title: Test driving road for vehicle
Inventor: HIRAI MAKOTO
IPC: E01C5/00
Filed: 2007-07-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a test driving road for a vehicle, which enables a plurality of vehicles to concurrently travel without interference with one another, and which enables a driver to experience traveling on a road surface with a variable coefficient of friction.  <P>SOLUTION: This test driving road for the vehicle, which makes the driver experience the traveling of the vehicle on the road surface with the variable coefficient of friction, comprises: a plurality of circular lanes 2a-2c which are arranged at mutual intervals; a plurality of inside connecting lanes 3a-3c which constitute an inside annular lane 5 by connecting the circular lanes 2a-2c together; and a plurality of outside connecting lanes 4a and 4c which constitute an outside annular lane 6 by connecting the circular lanes 2a-2c together. The coefficient of friction of a road surface of at least one of the inside connecting lanes is set different from that of friction of road surfaces of the plurality of circular lanes 2a-2c, and the coefficient of friction of a road surface of at least one of the outside connecting lanes is set different from that of friction of road surfaces of the plurality of circular lanes 2a-2c.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009027853-A (JP)
Title: Synchronous motor drive device and compressor drive device
Inventor: MORISHITA KOMAO
IPC: H02P6/18
Filed: 2007-07-20
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently and stably operate a synchronous motor connected to a load where torque periodically and largely fluctuates in accordance with a machine angle such as a compressor with low operation load by a simple structure.  <P>SOLUTION: A phase difference detecting part 8 detects a phase difference between drive voltage and wiring current in the synchronous motor 1. A PI operating part 11 calculates a duty reference value Rd of a PWM signal by comparison of a detection value and a target phase difference. An AC wave data generating part 14 judges the machine angle of the synchronous motor 1 based on an electrical angle. The AC wave data generating part 14 and a PWM generating part 15 generate a PWM signal Sp for 180 degrees conduction driving, which is supplied to an inverter circuit 2 based on a correction sine wave data table TB1 showing an AC signal on which a fluctuation component of load torque of the synchronous motor 1 is reflected, on the duty reference value Rd and a judging result of the machine angle.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009025656-A (JP)
Title: Drive unit of liquid crystal display device
Inventor: MATSUKI SHIRO
IPC: G02F1/133
Filed: 2007-07-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive unit of a liquid crystal display device, the drive unit responding to a full-color or eight-color mode and capable of significantly reducing current consumption in a simple configuration.  <P>SOLUTION: The drive unit for a grayscale voltage to be supplied to a source bus SB is equipped with: a first drive section for a full-color mode including a reference voltage generator 110 generating a voltage value that determines a rough range of the gradation voltage, a first DAC (digital analog converter) 120, a second DAC 130, and a demultiplexer 160 supplying output of the second DAC to the source bus; a second drive section 200 for 8-color mode including a switch SW11 connecting a capacitor to a power supply or the ground; and second, third, fourth switches SW1, SW2 and SW3 operating to stop supplying a power to the reference voltage generator, the first DAC and the second DAC, respectively, in the eight-color mode.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009028806-A (JP)
Title: Mems sensor and manufacturing method of mems sensor
Inventor: NAKAYA GORO
IPC: H01L29/84
Filed: 2007-07-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a MEMS (micro electro mechanical system) sensor and a manufacturing method thereof capable of reducing a time and labor for forming a protrusion for preventing contact between a substrate and a lower thin film.  <P>SOLUTION: In a manufacturing process of an Si microphone 1, a lower sacrifice layer 30 formed of Al-Si is formed on the upper surface 29 of the Si substrate 2. A lower thin film 5 having a lower through hole 12 is formed on the lower sacrifice layer 30, and an upper sacrifice layer 34 is formed on the lower thin film 5. An upper thin film 6 having an upper through hole 18 is formed on the upper sacrifice layer 34. The upper sacrifice layer 34 is removed by dry-etching via the upper through hole 18. An Al component in the lower sacrifice layer 30 is removed by dry-etching via the upper through hole 18 and the lower through hole 12 after removing the upper sacrifice layer 34. The Al component is removed, and thereby, a cavity 19 is formed, and a plurality of protrusions 39 remain in a confronting region 41 on the upper surface 29 of the Si substrate 2.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009031566-A (JP)
Title: Charging device and image forming apparatus
Inventor: NISHIMURA YASUHIRO
IPC: G03G15/02
Filed: 2007-07-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive charging device that prevents decrease in charging potential of a photoreceptor even in its long use and to provide an image forming apparatus that has the charging device and is capable of ensuring the formation of an image of high image quality for a long period of time.  <P>SOLUTION: A grid electrode 56 is formed by forming a nickel plated layer containing polytetrafluoroethylene, on a porous plate-like grid substrate 71, which has a plurality of openings. The area rate of the openings 72 is ≥80% and ≤90%.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008092943-A (JP)
Title: Diploid arming yeast, method for producing the same and method for producing polyester polyol using the diploid arming yeast
Inventor: KONDO AKIHIKO
IPC: C12P7/62
Filed: 2007-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a diploid arming yeast stably holding a protein presented to a cell surface layer even in a proliferation process, to provide the arming yeast obtained by the method and to provide a method for producing a polyester polyol using the arming yeast.  <P>SOLUTION: The method for producing the diploid arming yeast comprises carrying out cell fusion between an a haploid cell arming yeast and an α haploid cell arming yeast. The diploid arming yeast is obtained by the method for production. The method for producing the polyester polyol comprises using the diploid arming yeast.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007330099-A (JP)
Title: Electric power-steering controller
Inventor: MATSUSHITA MASAKI
IPC: H02P27/04
Filed: 2007-07-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a concrete implementation means that simply executes failure determination of a control system in an electric power-steering controller.  <P>SOLUTION: The electric power-steering controller is provided with a voltage control means which controls a voltage applied to a motor on the basis of a d-axis current command value and q-axis current command value that are set by a d-q command value setting means, and a d-axis current detection value and q-axis current detection value that are obtained by subjecting a three-phase AC current, actually flowing in the motor and detected by a current detection part, to d-q coordinate-system conversion; and a failure determination means for determining a failure when a phase current detection value is out of a first prescribed allowable range, continues for over a first prescribed period of time. The failure determination means executes the failure determination in a cycle of less than 1/2 f when a sine-wave frequency of a three-phase current is set as f.  <P>COPYRIGHT: (C)2008,JPO&INPIT